Writing board



FIG. 1 is a front perspective view of a writing board, showing my new design,

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of a portion of FIG. 1 thereof.

The dot dash broken lines depict the boundary of FIG. 9 and form no part of the claimed design. 

CLAIM The ornamental design for a writing board, as shown and described. 